BiosCallOuts.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <console/console.h>
#include <AGESA.h>
#include <spd_bin.h>
#include <northbridge/amd/agesa/BiosCallOuts.h>
#include <SB800.h>
 
#include "gpio_ftns.h"
 
static AGESA_STATUS board_BeforeDramInit (UINT32 Func, UINTN Data, VOID *ConfigPtr);
static AGESA_STATUS board_ReadSpd_from_cbfs(UINT32 Func, UINTN Data, VOID *ConfigPtr);
 
const BIOS_CALLOUT_STRUCT BiosCallouts[] =
{
        {AGESA_DO_RESET,                        agesa_Reset },
        {AGESA_READ_SPD,                        board_ReadSpd_from_cbfs },
        {AGESA_READ_SPD_RECOVERY,               agesa_NoopUnsupported },
        {AGESA_RUNFUNC_ONAP,                    agesa_RunFuncOnAp },
        {AGESA_GNB_PCIE_SLOT_RESET,             agesa_NoopSuccess },
        {AGESA_HOOKBEFORE_DRAM_INIT,            board_BeforeDramInit },
        {AGESA_HOOKBEFORE_DRAM_INIT_RECOVERY,   agesa_NoopSuccess },
        {AGESA_HOOKBEFORE_DQS_TRAINING,         agesa_NoopSuccess },
        {AGESA_HOOKBEFORE_EXIT_SELF_REF,        agesa_NoopSuccess },
};
const int BiosCalloutsLen = ARRAY_SIZE(BiosCallouts);
 
/*      Call the host environment interface to provide a user hook opportunity. */
static AGESA_STATUS board_BeforeDramInit (UINT32 Func, UINTN Data, VOID *ConfigPtr)
{
        // Unlike e.g. AMD Inagua, Persimmon is unable to vary the RAM voltage.
        // Make sure the right speed settings are selected.
        ((MEM_DATA_STRUCT*)ConfigPtr)->ParameterListPtr->DDR3Voltage = VOLT1_5;
        return AGESA_SUCCESS;
}
 
static AGESA_STATUS board_ReadSpd_from_cbfs(UINT32 Func, UINTN Data, VOID *ConfigPtr)
{
        AGESA_READ_SPD_PARAMS *info = ConfigPtr;
 
        if (!ENV_ROMSTAGE)
                return AGESA_UNSUPPORTED;
 
        u8 index = get_spd_offset();
 
        if (info->MemChannelId > 0)
                return AGESA_UNSUPPORTED;
        if (info->SocketId != 0)
                return AGESA_UNSUPPORTED;
        if (info->DimmId != 0)
                return AGESA_UNSUPPORTED;
 
        /* Read index 0, first SPD_SIZE bytes of spd.bin file. */
        if (read_ddr3_spd_from_cbfs((u8*)info->Buffer, index) < 0)
                die("No SPD data\n");
 
        return AGESA_SUCCESS;
}